US9848294B2 - Method, device and communication system for processing common search area - Google Patents

Method, device and communication system for processing common search area Download PDF

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US9848294B2
US9848294B2 US14/672,004 US201514672004A US9848294B2 US 9848294 B2 US9848294 B2 US 9848294B2 US 201514672004 A US201514672004 A US 201514672004A US 9848294 B2 US9848294 B2 US 9848294B2
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search area
common search
resource indication
location
indication information
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US20150208200A1 (en
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Yuanjie Li
Zhenfei Tang
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of US20150208200A1 publication Critical patent/US20150208200A1/en
Assigned to HUAWEI TECHNOLOGIES CO., LTD. reassignment HUAWEI TECHNOLOGIES CO., LTD. CORRECTIVE ASSIGNMENT TO CORRECT THE FIRST INVENTOR NAME PREVIOUSLY RECORDED AT REEL: 035279 FRAME: 0966. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Assignors: TANG, ZHENFEI, LI, YUANJIE
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Priority to US16/200,612 priority patent/US10555114B2/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/0413—
    • H04W72/0486—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated

Definitions

  • the present invention relates to the field of communication technologies and, in particular, to a method, a device and a communication system for processing a common search area.
  • control signaling borne on a physical downlink control channel needs to be obtained via blindly detecting a search area by a user equipment (User Equipment; UE).
  • the search area thereof may be divided into a common search area and a UE dedicated search area, where the control signaling in the common search area is used for scheduling a system message, a paging message, initial access signaling and bearer power control signaling.
  • NCT New Carrier Type
  • the UE may acquire the control signaling in the common search area by detecting the location of the common search area on the main carrier (not NCT), but for a NCT which is not attached to other traditional carriers, the UE cannot determine the common search area, thereby the control signaling in the common search area cannot be acquired.
  • a plurality of neighboring cells may use the same cell ID, resulting in an increase in the control signaling which needs to be sent in the common search area, however, the capacity of the common search area is limited, as a result, the control signaling which needs to be sent in the common search area cannot be sent in time, thereby resulting in congestion in the common search area and reducing the transmission efficiency. Therefore, how to design an effective common search area and let the UE be able to determine the location of the common search area is a problem that needs to be solved urgently.
  • the present invention provides a method, a device and a communication system for processing a common search area, so as to solve the problem in the prior art that a UE is not able to determine the location of a common search area, which is caused by the EPDCCH which does not contain the common search area only considering a UE specific search area, and the problem of congestion of the common search area.
  • a first aspect of the present invention provides a method for processing a common search area, including:
  • resource indication information about a first common search area of a control channel or resource indication information about the first common search area and resource indication information about at least one second common search area;
  • the resource indication information about the first common search area includes: bandwidth resource information, a number of a PRB occupied by the first common search area and an initial location of the first common search area;
  • bandwidth resource information is a bandwidth of a carrier; or, a predefined fixed value; or, bandwidth resource information notified through broadcast information or higher layer signaling or physical layer signaling;
  • the number of the PRB occupied by the first common search area is a number of the PRB occupied by a common search area, where the number of the PRB occupied by the common search area is notified through broadcast information or higher layer signaling or physical layer signaling; or, a predefined parameter;
  • the initial location of the first common search area is a predefined location; or, an initial location of a common search area determined by a cell identifier; or, an initial location of a common search area notified through broadcast information or higher layer signaling or physical layer signaling.
  • the first common search area is distributed on the bandwidth resource information with an equal interval, a number of a PRB in the interval is
  • N ⁇ N RB BW M - 1 ⁇ , where N RB BW is the bandwidth resource information which is denoted with the number of the PRB, M is the number of the PRB occupied by the first common search area.
  • the resource indication information about the first common search area includes: a PRB interval occupied by the first common search area and an initial location of the first common search area;
  • the initial location of the first common search area is a predefined location; or, an initial location of a common search area notified through broadcast information or higher layer signaling or physical layer signaling; or, an initial location of a common search area determined according to a cell identifier;
  • the PRB interval occupied by the first common search area is a predefined fixed value; or, a PRB interval which is occupied by a common search area and notified through broadcast information or higher layer signaling or physical layer signaling; or, a PRB interval which is occupied by a common search area and determined by the initial location of the first common search area.
  • the resource indication information about the first common search area includes: a resource indication value, a N RB step and an interval currently used by a base station;
  • the resource indication value is a resource indication value notified through broadcast information or higher layer signaling or physical layer signaling;
  • the N RB step is a N RB step notified through broadcast information or higher layer signaling or physical layer signaling; or, a N RB step determined according to a cell identifier; or, a predefined fixed value;
  • the interval currently used by the base station is an interval which is currently used by a base station and notified through broadcast information or higher layer signaling or physical layer signaling; or, an interval which is currently used by a base station and determined according to the cell identifier; or, a predefined interval.
  • the resource indication information about the first common search area is resource indication information notified through a broadcast message or higher layer signaling or physical layer signaling, the resource indication information is acquired by a base station by adopting a bitmap indicating manner, and the resource indication information includes a location index of a physical resource block where the location of the first common search area locates.
  • the resource indication information about the second common search area is resource indication information determined according to a preamble index.
  • the resource indication information about the second common search area is resource indication information notified through a random access response
  • the resource indication information includes location information of a PRB occupied by the second common search area, or, an index of the second common search area.
  • the location of the second common search area is a predefined location; or, a location notified through a broadcast message or higher layer signaling or physical layer signaling; or, a location obtained through the location of the first common search area plus an offset value in a frequency domain; or, a location determined according to a cell identifier.
  • the resource indication information about the second common search area is resource indication information notified by a random access message 3 , or an index of the second common search area.
  • the resource indication information about the second common search area is resource indication information determined according to a RNTI of a user.
  • the second common search area is used for a transmission of DCI format 1A;
  • the second common search area is used for a transmission of DCI format 1A and DCI format 0; or,
  • the first common search area is used for a transmission of DCI format 1C
  • the second common search area is used for a transmission of DCI format 1A and DCI format 0.
  • a second aspect of the present invention provides a method for processing a common search area, including:
  • determining a location of a first common search area of a control channel or, determining a location of the first common search area and a location of at least one second common search area
  • the resource indication information corresponding to the location of the first common search area includes: a bandwidth of a carrier, a number of a PRB occupied by the first common search area and an initial location of the first common search area, then the sending to the UE the resource indication information corresponding to the location of the first common search area includes:
  • the resource indication information corresponding to the location of the first common search area includes: a PRB interval occupied by the first common search area and/or an initial location of the first common search area, then the sending to the UE the resource indication information corresponding to the location of the first common search area includes:
  • the sending to the UE the resource indication information corresponding to the location of the first common search area includes: sending to the UE the resource indication value corresponding to the location of the first common search area through broadcast information or higher layer signaling or physical layer signaling; or,
  • the sending to the UE resource the indication information corresponding to the location of the first common search area includes: sending to the UE the resource indication value and the N RB step which correspond to the location of the first common search area through broadcast information or higher layer signaling or physical layer signaling; or,
  • the sending to the UE the resource indication information corresponding to the location of the first common search area includes: sending to the UE the resource indication value and the currently used interval which correspond to the location of the first common search area through broadcast information or higher layer signaling or physical layer signaling; or,
  • the sending to the UE the resource indication information corresponding to the location of the first common search area includes: sending to the UE the resource indication value, the N RB step and the currently used interval which correspond to the location of the first common search area through broadcast information or higher layer signaling or physical layer signaling.
  • the resource indication information corresponding to the location of the first common search area includes: a location index of a physical resource block where the location of the first common search area locates;
  • the sending to the UE the resource indication information corresponding to the location of the first common search area includes:
  • the resource indication information corresponding to the location of the second common search area includes location information of a PRB occupied by the second common search area, or, an index of the second common search area;
  • the sending to the UE the resource indication information corresponding to the location of at least one second common search area further includes:
  • the second common search area is used for a transmission of DCI format 1A; or,
  • the second common search area is used for a transmission of DCI format 1A and DCI format 0; or,
  • the first common search area is used for a transmission of DCI format 1C
  • the second common search area is used for a transmission of DCI format 1A and DCI format 0.
  • a third aspect of the present invention provides a device for processing a common search area, including:
  • an acquiring module configured to acquire resource indication information about a first common search area of a control channel, or resource indication information about a first common search area and resource indication information about at least one second common search area;
  • a location determining module configured to determine, according to the resource indication information about the first common search area, or the resource indication information about the first common search area and the resource indication information about at least one second common search area, a location of the first common search area, or locations of the first common search area and at least one second common search area.
  • the resource indication information about the first common search area acquired by the acquiring module includes: bandwidth resource information, a number of a PRB occupied by the first common search area and an initial location of the first common search area;
  • bandwidth resource information is a bandwidth of a carrier; or, a predefined fixed value; or, bandwidth resource information notified through broadcast information or higher layer signaling or physical layer signaling;
  • the number of the PRB occupied by the first common search area is a number of the PRB occupied by a common search area, where the number of the PRB occupied by the common search area is notified through broadcast information or higher layer signaling or physical layer signaling; or, a predefined parameter;
  • the initial location of the first common search area is a predefined location; or, an initial location of a common search area determined by a cell identifier; or, an initial location of a common search area notified through broadcast information or higher layer signaling or physical layer signaling.
  • the resource indication information about the first common search area acquired by the acquiring module includes: a PRB interval occupied by the first common search area and an initial location of the first common search area;
  • the initial location of the first common search area is a predefined location; or, an initial location of a common search area notified through broadcast information or higher layer signaling or physical layer signaling; or, an initial location of a common search area determined according to a cell identifier;
  • the PRB interval occupied by the first common search area is a predefined fixed value; or, a PRB interval which is occupied by a common search area and notified through broadcast information or higher layer signaling or physical layer signaling; or, a PRB interval which is occupied by a common search area and determined by the initial location of the first common search area.
  • the resource indication information about the first common search area acquired by the acquiring module includes: a resource indication value, a N RB step and an interval currently used by a base station;
  • the resource indication value is a resource indication value notified through broadcast information or higher layer signaling or physical layer signaling;
  • the N RB step is a N RB step notified through broadcast information or higher layer signaling or physical layer signaling; or, a N RB step determined according to a cell identifier; or, a predefined fixed value;
  • the interval currently used by a base station is an interval which is currently used by a base station and notified through broadcast information or higher layer signaling or physical layer signaling; or, an interval which is currently used by a base station and determined according to the cell identifier; or, a predefined interval.
  • the resource indication information about the first common search area acquired by the acquiring module is a resource indication information notified through a broadcast message or higher layer signaling or physical layer signaling, and the resource indication information is acquired by a base station by adopting a bitmap indicating manner.
  • the resource indication information about a second common search area group acquired by the acquiring module is resource indication information determined according to a preamble index.
  • the resource indication information about the second common search area acquired by the acquiring module is resource indication information notified through a random access response, and the resource indication information includes location information of a PRB occupied by the second common search area, or, an index of the second common search area.
  • the location of the second common search area acquired by the acquiring module is a predefined location; or, a location notified through a broadcast message or higher layer signaling or physical layer signaling; or, a location obtained through the location of the first common search area plus an offset value in a frequency domain; or, a location determined according to a cell identifier.
  • the resource indication information about the second common search area acquired by the acquiring module is resource indication information notified by a random access message 3 or an index of the second common search area.
  • the resource indication information about the second common search area acquired by the acquiring module is resource indication information determined according to a RNTI of a user.
  • a fourth aspect of the present invention provides a device for processing a common search area, including:
  • a location determining module configured to determine a location of a first common search area of a control channel, or, determine a location of the first common search area and a location of at least one second common search area;
  • a sending module configured to send to a UE resource indication information corresponding to the location of the first common search area, or, resource indication information corresponding to the location of the first common search area and resource indication information corresponding to the location of at least one second common search area.
  • the sending module is specifically configured to send to the UE the bandwidth of the carrier, the number of the PRB occupied by the first common search area and the initial location of the first common search area through a broadcast message or higher layer signaling or physical layer signaling.
  • the sending module is specifically configured to send to the UE the PRB interval occupied by the first common search area and/or the initial location of the first common search area through broadcast information or higher layer signaling or physical layer signaling.
  • the sending module is specifically configured to send to the UE the resource indication value corresponding to the location of the first common search area through broadcast information or higher layer signaling or physical layer signaling; or,
  • the sending module is specifically configured to send to the UE the resource indication value and the N RB step which correspond to the location of the first common search area through broadcast information or higher layer signaling or physical layer signaling; or,
  • the sending module is specifically configured to send to the UE the resource indication value and the currently used interval which correspond to the location of the first common search area through broadcast information or higher layer signaling or physical layer signaling; or,
  • the sending module is specifically configured to send to the UE the resource indication value, the N RB step and the currently used interval which correspond to the location of the first common search area through broadcast information or higher layer signaling or physical layer signaling.
  • the sending module is specifically configured to send to the UE the resource indication information about the first common search area through a broadcast message or higher layer signaling or physical layer signaling by adopting a bitmap indicating manner.
  • the sending module is specifically configured to send to the UE location information of a PRB occupied by at least one second common search area, or a set index number of at least one second common search area through a random access response.
  • a fifth aspect of the present invention provides a user equipment, including: a memory, configured to store an instruction;
  • processor coupled with the memory, where the processor is configured to execute the instruction stored in the memory, and the processor is configured to execute the method for processing the common search area according to the first aspect.
  • a sixth aspect of the present invention provides a base station, including: a memory, configured to store an instruction;
  • processor coupled with the memory, where the processor is configured to execute the instruction stored in the memory, and the processor is configured to execute the method for processing the common search area according to the second aspect.
  • a seventh aspect of the present invention provides a communication system, including: the aforementioned user equipment and the aforementioned base station.
  • the location of the first common search area, or the locations of the first common search area and at least one second common search area are determined via the acquired resource indication information about the first common search area of the control channel, or the resource indication information about the first common search area and the resource indication information about at least one second common search area, thereby solving the problem in the prior art that the UE is not able to determine the location of the common search area, which is caused by the EPDCCH which does not contain the common search area only considering the UE dedicated search area, and the problem of the congestion of the common search area, hence the EPDCCH channel can be received correctly, in the meantime, control signaling of at least one common search area can be acquired timely.
  • FIG. 1 is a flowchart of a method for processing a common search area according to an embodiment of the present invention
  • FIG. 2 is a schematic view of transmission of an EPDCCH
  • FIG. 3 is a flowchart of a method for processing a common search area according to another embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a device for processing a common search area according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a device for processing a common search area according to another embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for processing a common search area according to an embodiment of the present invention. As shown in FIG. 1 , the method of this embodiment includes:
  • Step 101 acquiring resource indication information about a first common search area of a control channel, or resource indication information about a first common search area and resource indication information about at least one second common search area.
  • the resource indication information about the first common search area of the control channel after initially accessing a carrier, the resource indication information about the first common search area of the control channel, or, the resource indication information about the first common search area and the resource indication information about at least one second common search area can be acquired.
  • the carrier may be specifically a NCT in a R11 version of the LTE, and an EPDCCH, rather than a PDCCH, is sent on this NCT.
  • the EPDCCH is sent in a region of a subframe, which is used for transmitting downlink data, rather than in a control region containing first n symbols of the subframe, and the EPDCCH multiplexes with a PDSCH in the frequency domain by occupying RBs different from the PDSCH.
  • This kind of EPDCCH may perform a precoding transmission like the PDSCH, and demodulate according to a UE specific reference signal (DM RS).
  • DM RS UE specific reference signal
  • FIG. 2 is a schematic view of transmission of an EPDCCH. As shown in FIG. 2 , this EPDCCH has the following characteristics:
  • EPDCCHs of a UE may perform beamforming, where a centralized mapping manner is adopted for physical resources of the EPDCCHs;
  • Physical resource blocks Physical Resource Block; PRB
  • Physical Resource Block PRB
  • the location scope of the EPDCCHs in the frequency domain is preset.
  • Step 102 determining, according to the resource indication information about the first common search area, or the resource indication information about the first common search area and the resource indication information about at least one second common search area, the location of the first common search area, or the locations of the first common search area and at least one second common search area.
  • the control channel may include at least one common search area.
  • this common search area is the first common search area.
  • one common search area is the first common search area, other common search areas are the second common search areas.
  • part kinds of message scheduling signaling, message paging signaling, power control signaling and random access signaling may be carried on the first common search area for transmission, and other kinds of signaling may be carried on the second common search area for transmission, so as to avoid a congestion problem in the common search area.
  • the signaling for scheduling a system message is carried on the first common search area for transmission, and the message paging signaling, the power control signaling and the random access signaling are carried on the second common search area for transmission.
  • the signaling for scheduling the system message and the message paging signaling are carried on the first common search area for transmission, and the power control signaling and the random access signaling are carried on the second common search area for transmission.
  • the location of the first common search area, or the locations of the first common search area and at least one second common search area are determined via the acquired resource indication information about the first common search area of the control channel, or the resource indication information about the first common search area and the resource indication information about at least one second common search area, thereby solving the problem in the prior art that the UE is not able to determine the location of the common search area, which is caused by the EPDCCH which does not contain the common search area only considering the UE dedicated search area, and the problem of the congestion of the common search area, hence the EPDCCH channel can be received correctly, in the meantime, control signaling of at least one common search area can be acquired timely.
  • the resource indication information about the first common search area includes: bandwidth resource information, the number of a PRB occupied by the first common search area and an initial location of the first common search area.
  • the bandwidth resource information is a bandwidth of the carrier; or, a predefined fixed value; or, bandwidth resource information notified through broadcast information or higher layer signaling or physical layer signaling;
  • the number of the PRB occupied by the first common search area is the number of the PRB occupied by a common search area, where the number of the PRB occupied by the common search area is notified through broadcast information or higher layer signaling or physical layer signaling; or, a predefined parameter;
  • the initial location of the first common search area is a predefined location; or, an initial location of a common search area determined by a cell identifier; or, an initial location of a common search area notified through broadcast information or higher layer signaling or physical layer signaling.
  • the broadcast information may be a PBCH or an EPBCH and etc.; the higher layer signaling may be RRC signaling and etc.; the physical layer signaling may be an EPCFICH and etc.
  • the initial location of the first common search area being the initial location of the common search area determined according to the cell identifier is specifically implemented as:
  • the N offset may be specifically Cell ID mod N, preferably, the first common search area is distributed on the bandwidth resource information with an equal interval, the number of the PRB in the interval is
  • N ⁇ N RB BW M - 1 ⁇ , where, the N RB BW is the bandwidth resource information which is denoted with the number of the PRB, M is the number of the PRB occupied by the common search areas in the first common search area group.
  • the resource indication information about the first common search area includes: a PRB interval occupied by the first common search area and an initial location of the first common search area;
  • the initial location of the first common search area is a predefined location; or, an initial location of a common search area notified through broadcast information or higher layer signaling or physical layer signaling; or, an initial location of a common search area determined according to a cell identifier;
  • the PRB interval occupied by the first common search area is a predefined fixed value; or, a PRB interval which is occupied by a common search area and notified through broadcast information or higher layer signaling or physical layer signaling; or, a PRB interval which is occupied by a common search area and determined by the initial location of the first common search area.
  • the initial location of the first common search area being the initial location of the common search area determined according to the cell identifier is specifically implemented as:
  • N offset f (CellID) (2)
  • the N offset may be specifically Cell ID mod P.
  • P which is a fixed value, is the number of the PRB occupied by the first common search area.
  • the resource indication information about the first common search area includes: a resource indication value, a N RB step and an interval currently used by a base station;
  • the resource indication value is a resource indication value notified through broadcast information or higher layer signaling or physical layer signaling;
  • the N RB step is a N RB step notified through broadcast information or higher layer signaling or physical layer signaling; or, a N RB step determined according to a cell identifier; or, a predefined fixed value;
  • the interval currently used by the base station is an interval which is currently used by the base station and notified through broadcast information or higher layer signaling or physical layer signaling; or, an interval which is currently used by the base station and determined according to the cell identifier; or, a predefined interval.
  • the manner in which the resource indication value about the first common search area is acquired is:
  • RIV N′ VRB DL ( L′ CRBs ⁇ 1)+ RB′ start (5)
  • L′ CRBs L CRBs /N RB step
  • RB′ start RB start /N RB step
  • N′ VRB DL ⁇ N VRB DL /N RB step ⁇ .
  • values of the intervals N gap , N RB DL and N RB step may be determined by a first mapping table and a second mapping table in the protocol.
  • the first mapping table of the intervals N gap and N RB DL is shown in Table 1
  • the second mapping table of the intervals N RB DL and N RB step is shown in Table 2.
  • the resource indication information about the first common search area is resource indication information notified through a broadcast message or higher layer signaling or physical layer signaling, the resource indication information is acquired by a base station by adopting a bitmap (bitmap) indicating manner, and the resource indication information includes a location of a physical resource block where the location of the first common search area locates.
  • bitmap bitmap
  • the base station adopting the bitmap indicating manner to acquire the resource indication information is specifically implemented as: adopting the bitmap indicating manner, setting location indication of the physical resource block where the first common search area locates to be 1, and setting locations of other physical resource blocks to be 0, then a user terminal determines the location of the first common search area according to the location indication 1 or the location indication 0.
  • the resource indication information about the second common search area is resource indication information determined according to a preamble index.
  • the preamble index is n
  • the resource indication information about the second common search area is resource indication information notified through a random access response, and the resource indication information includes location information of the PRB occupied by the second common search area, or, an index of the second common search area.
  • the location of the second common search area is a predefined location; or, a location notified through a broadcast message or higher layer signaling or physical layer signaling; or, a location obtained through the location of the first common search area plus an offset value in the frequency domain; or, a location determined according to a cell identifier.
  • the resource indication information about the second common search area is resource indication information notified by a random access message 3 or an index of the second common search area.
  • the resource indication information about the second common search area is resource indication information determined according to a RNTI of a user.
  • the RNTI of the UE is n
  • the second common search area is used for a transmission of downlink control information of format 1A (DCI format 1A);
  • the second common search area is used for a transmission of DCI format 1A and downlink control information of format 0 (DCI format 0); or,
  • the first common search area is used for a transmission of downlink control information of format 1C (DCI format 1C), and the second common search area is used for a transmission of DCI format 1A and DCI format 0.
  • DCI format 1C downlink control information of format 1C
  • DCI format 1A DCI format 1A
  • FIG. 3 is a flowchart of a method for processing a common search area according to another embodiment of the present invention.
  • the executive entity of the embodiment is a base station, the method includes:
  • Step 201 determining a location of a first common search area of a control channel, or, determining a location of a first common search area and a location of at least one second common search area.
  • Step 202 sending to a UE resource indication information corresponding to the location of the first common search area, or, resource indication information corresponding to the location of the first common search area and resource indication information corresponding to the location of at least one second common search area.
  • the UE may execute the technical solution of the method embodiment as shown in FIG. 1 , and the implementing principles are similar, which will not be repeated here.
  • the control channel may include at least one common search area.
  • this common search area is the first common search area.
  • one common search area is the first common search area, and other common search areas are the second common search areas.
  • part kinds of message scheduling signaling, message paging signaling, power control signaling and random access signaling may be carried on the first common search area for transmission, and other kinds of signaling may be carried on the second common search area for transmission, so as to avoid a congestion problem in the common search area.
  • the signaling for scheduling a system message is carried on the first common search area for transmission, and the message paging signaling, the power control signaling and the random access signaling are carried on the second common search area for transmission.
  • the signaling for scheduling the system message and the message paging signaling are carried on the first common search area for transmission, and the power control signaling and the random access signaling are carried on the second common search area for transmission.
  • the UE by determining the location of the first common search area of the control channel, or, determining the location of the first common search area and the location of at least one second common search area, and sending to the UE the resource indication information corresponding to the location of the first common search area, or, the resource indication information corresponding to the location of the first common search area and the resource indication information corresponding to the location of at least one second common search area, the UE can determine the location of the first common search area, or the location of the first common search area and the location of at least one second common search area via the resource indication information corresponding to the location of the first common search area, or the resource indication information corresponding to the location of the first common search area and the resource indication information corresponding to the location of at least one second common search area, thereby solving the problem in the prior art that the UE is not able to determine the location of the common search area, which is caused by the EPDCCH which does not contain the common search area only considering the UE dedicated search area, and the problem of the congestion of the common search area, hence the EP
  • the resource indication information corresponding to the location of the first common search area includes: a bandwidth of a carrier, the number of a PRB occupied by the first common search area and an initial location of the first common search area, then a specific implementation of the sending to the UE the resource indication information corresponding to the location of the first common search area in step 202 is:
  • the resource indication information corresponding to the location of the first common search area includes: a PRB interval occupied by the first common search area and/or an initial location of the first common search area, then another specific implementation of the sending to the UE the resource indication information corresponding to the location of the first common search area in step 202 is:
  • a specific implementation of the determining the location of the first common search area of the control channel in step 201 is:
  • the resource indication value corresponding to the location of the first common search area is:
  • RB start 0, N RB step ,2 N RB step , . . . ,( ⁇ N VRB DL /N RB step ⁇ 1) N RB step (3)
  • L CRBs N RB step ,2 N RB step , . . . ,( ⁇ N VRB DL /N RB step ⁇ ) N RB step (4)
  • RIV N′ VRB DL ( L′ CRBs ⁇ 1)+ RB′ start (5)
  • L′ CRBs L CRBs /N RB step
  • RB′ start RB start /N RB step
  • N′ VRB DL ⁇ N VRB DL /N RB step ⁇ .
  • values of the intervals N gap , N RB DL and N RB step may be determined by the first mapping table and the second mapping table in the protocol.
  • the first mapping table of the intervals N gap and N RB DL is shown in the aforementioned Table 1
  • the second mapping table of the intervals N RB DL and N RB step is shown in the aforementioned Table 2.
  • the resource indication information corresponding to the location of the first common search area includes: a location index of a physical resource block where the location of the first common search area locates.
  • the resource indication information corresponding to the location of the second common search area includes location information of a PRB occupied by the second common search area, or, an index of the second common search area;
  • a specific implementation of the sending to the UE the resource indication information corresponding to the location of at least one second common search area in step 202 is:
  • the second common search area is used for a transmission of DCI format 1A; or,
  • the second common search area is used for a transmission of DCI format 1A and DCI format 0; or,
  • the first common search area is used for a transmission of DCI format 1C
  • the second common search area is used for a transmission of DCI format 1A and DCI format 0.
  • the program may be stored in a computer readable storage medium.
  • the storage medium may be any medium capable of storing program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
  • FIG. 4 is a schematic structural diagram of a device for processing a common search area according to an embodiment of the present invention.
  • the device may be specifically a user terminal, this device includes: an acquiring module 11 and a location determining module 12 , where, the acquiring module 11 is configured to acquire resource indication information about a first common search area of a control channel, or resource indication information about a first common search area and resource indication information about at least one second common search area; the location determining module 12 is configured to determine, according to the resource indication information about the first common search area, or the resource indication information about the first common search area and the resource indication information about at least one second common search area, a location of the first common search area, or locations of the first common search area and at least one second common search area.
  • the device for processing the common search area in the embodiment may execute the technical solution of the method embodiment as shown in FIG. 1 , and the implementing principles are similar, which will not be repeated here.
  • the location of the first common search area, or the location of the first common search area and the location of at least one second common search area is determined via the acquired resource indication information about the first common search area of the control channel, or the resource indication information about the first common search area and resource indication information about at least one second common search area, thereby solving the problem in the prior art that the UE is not able to determine the location of the common search area, which is caused by the EPDCCH which does not contain the common search area only considering the UE dedicated search area, and the problem of the congestion of the common search area, hence the EPDCCH channel can be received correctly, in the meantime, control signaling of at least one common search area can be acquired timely.
  • the resource indication information about the first common search area acquired by the acquiring module 11 includes: bandwidth resource information, the number of a PRB occupied by the first common search area and an initial location of the first common search area;
  • bandwidth resource information is a bandwidth of the carrier; or, a predefined fixed value; or, bandwidth resource information notified through broadcast information or higher layer signaling or physical layer signaling;
  • the number of the PRB occupied by the first common search area is the number of the PRB occupied by a common search area, where the number of the PRB occupied by the common search area is notified through broadcast information or higher layer signaling or physical layer signaling; or, a predefined parameter;
  • the initial location of the first common search area is a predefined location; or, an initial location of a common search area determined by a cell identifier; or, an initial location of a common search area notified through broadcast information or higher layer signaling or physical layer signaling.
  • the resource indication information about the first common search area acquired by the acquiring module 11 includes: a PRB interval occupied by the first common search area and an initial location of the first common search area;
  • the initial location of the first common search area is a predefined location; or, an initial location of a common search area notified through broadcast information or higher layer signaling or physical layer signaling; or, an initial location of a common search area determined according to a cell identifier;
  • the PRB interval occupied by the first common search area is a predefined fixed value; or, a PRB interval which is occupied by a common search area and notified through broadcast information or higher layer signaling or physical layer signaling; or, a PRB interval which is occupied by a common search area and determined by the initial location of the first common search area.
  • the resource indication information about the first common search area acquired by the acquiring module 11 includes: a resource indication value, a N RB step and an interval currently used by a base station;
  • the resource indication value is a resource indication value notified through broadcast information or higher layer signaling or physical layer signaling;
  • the N RB step is a N RB step notified through broadcast information or higher layer signaling or physical layer signaling; or, a N RB step determined according to a cell identifier; or, a predefined fixed value;
  • the interval currently used by the base station is an interval which is currently used by the base station and notified through broadcast information or higher layer signaling or physical layer signaling; or, an interval which is currently used by the base station and determined according to the cell identifier; or, a predefined interval.
  • the resource indication information about the first common search area acquired by the acquiring module 11 is resource indication information notified through a broadcast message or higher layer signaling or physical layer signaling, and the resource indication information is acquired by the base station by adopting a bitmap indicating manner.
  • the resource indication information about the second common search area group acquired by the acquiring module 11 is resource indication information determined according to a preamble index.
  • the resource indication information about the second common search area acquired by the acquiring module 11 is resource indication information notified through a random access response, and the resource indication information includes location information of a PRB occupied by the second common search area, or, an index of the second common search area.
  • the location of the second common search area acquired by the acquiring module 11 is a predefined location; or, a location notified through a broadcast message or higher layer signaling or physical layer signaling; or, a location obtained through the location of the first common search area plus an offset value in the frequency domain; or, a location determined according to a cell identifier.
  • the resource indication information about the second common search area acquired by the acquiring module 11 is resource indication information notified by a random access message 3 or an index of the second common search area.
  • the resource indication information about the second common search area acquired by the acquiring module 11 is resource indication information determined according to a RNTI of a user.
  • FIG. 5 is a schematic structural diagram of a device for processing a common search area according to another embodiment of the present invention.
  • the device in this embodiment may be a base station, the device includes: a location determining module 21 and a sending module 22 , where, the location determining module 21 is configured to determine a location of a first common search area of a control channel, or, determine a location of the first common search area and a location of at least one second common search area; the sending module 22 is configured to send to a UE resource indication information corresponding to the location of the first common search area, or, resource indication information corresponding to the location of the first common search area and resource indication information corresponding to the location of at least one second common search area.
  • the device for processing the common search area in the embodiment may execute the technical solution of the method embodiment as shown in FIG. 3 , and the implementing principles are similar, which will not be repeated here.
  • the UE can determine, according to the resource indication information corresponding to the location of the first common search area, or according to the resource indication information corresponding to the location of the first common search area and the resource indication information corresponding to the location of at least one second common search area, the location of the first common search area, or the location of the first common search area and the location of at least one second common search area, thereby solving the problem in the prior art that the UE is able to determine the location of the common search area, which is caused by the EPDCCH which does not contain the common search area only considering the UE dedicated search area, and the problem of the congestion of the common search area, hence the EP
  • the sending module 22 is specifically configured to send to the UE the bandwidth of the carrier, the number of the PRB occupied by the first common search area and the initial location of the first common search area through a broadcast message or higher layer signaling or physical layer signaling.
  • the sending module 22 is specifically configured to send to the UE the PRB interval occupied by the first common search area and/or the initial location of the first common search area through broadcast information or higher layer signaling or physical layer signaling.
  • the location determining module 21 is specifically configured to acquire, according to an initial location and the length of the first common search area, a resource indication value corresponding to the location of the first common search area, and determine, according to the resource indication value corresponding to the location of the first common search area, the location of the first common search area;
  • the sending module 22 is specifically configured to send to the UE the resource indication value corresponding to the location of the first common search area; or send to the UE the resource indication value, the N RB step and the currently used interval which correspond to the location of the first common search area through broadcast information or higher layer signaling or physical layer signaling.
  • the sending module 22 is specifically configured to send to the UE the resource indication information about the first common search area through a broadcast message or higher layer signaling or physical layer signaling by adopting a bitmap indicating manner.
  • the sending module 22 is specifically configured to send to the UE the location information of the PRB occupied by at least one second common search area, or a set index number of at least one second common search area through a random access response.
  • the present invention also provides a user equipment, including: a memory, configured to store an instruction;
  • processor coupled with the memory, where the processor is configured to execute the instruction stored in the memory, and the processor is configured to execute the method for processing the common search area according to FIG. 1 .
  • the present invention also provides a base station, including: a memory, configured to store an instruction;
  • processor coupled with the memory, where the processor is configured to execute the instruction stored in the memory, and the processor is configured to execute the method for processing the common search area according to FIG. 3 .
  • the present invention also provides a communication system, including: the aforementioned user equipment and the aforementioned base station.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11169849B2 (en) * 2019-06-20 2021-11-09 Bank Of America Corporation Intelligent resource initiation and deployment system
US11212799B2 (en) 2016-05-30 2021-12-28 Samsung Electronics Co., Ltd. System and method for common and UE-specific frequency resource scheduling

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2903369B1 (en) 2012-09-28 2019-09-04 Huawei Technologies Co., Ltd. Method and device for processing common search area
CN107453840B (zh) * 2016-05-30 2021-08-10 北京三星通信技术研究有限公司 一种资源的调度方法和设备
CN107889270A (zh) * 2016-09-30 2018-04-06 北京信威通信技术股份有限公司 一种随机接入的方法、装置及系统
EP3606210B1 (en) * 2017-04-28 2023-02-15 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Channel location indication method, and related product

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101562845A (zh) 2008-11-28 2009-10-21 华为技术有限公司 预留资源释放方法、装置及基站设备
US20110170472A1 (en) 2008-09-29 2011-07-14 Electronics And Telecommunications Research Institute Method for allocating physical layer control information for mbms and method for receiving physical layer control information for mbms therefor
CN102202324A (zh) 2011-05-19 2011-09-28 电信科学技术研究院 资源位置指示及信道盲检的方法、系统和装置
CN102640556A (zh) 2009-11-30 2012-08-15 夏普株式会社 移动站装置、基站装置以及处理方法
CN102668671A (zh) 2009-12-17 2012-09-12 松下电器产业株式会社 无线发送装置和控制信号发送方法
US20130114521A1 (en) * 2011-11-04 2013-05-09 Telefonaktiebolaget L M Ericsson (Publ) Network node, user equipment and methods therein
US20130195068A1 (en) * 2012-01-30 2013-08-01 Alcatel-Lucent Usa Inc. Methods for transmitting and receiving control information
US20130195067A1 (en) * 2012-01-27 2013-08-01 Sharp Laboratories Of America, Inc. Devices for signaling an enhanced physical control format indicator channel
US20130242770A1 (en) * 2012-03-16 2013-09-19 Xiaogang Chen In enhanced physical downlink control channel (ePDCCH)
US20130242882A1 (en) * 2012-03-19 2013-09-19 Research In Motion Limited Enhanced Common Downlink Control Channels
US20140086285A1 (en) * 2012-09-27 2014-03-27 Nokia Siemens Networks Oy Non-codebook based channel state information feedback
US20150043457A1 (en) * 2012-01-30 2015-02-12 Le Liu Radio communication system and communication control method
US20150208200A1 (en) * 2012-09-28 2015-07-23 Huawei Technologies Co., Ltd. Method, device and communication system for processing common search area

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130258919A1 (en) 2007-02-05 2013-10-03 Qualcomm Incorporated Flexible dtx and drx in a wireless communication system
WO2009039383A2 (en) * 2007-09-21 2009-03-26 Texas Instruments Incorporated Reference signal structure for ofdm based transmissions
WO2010127480A1 (zh) 2009-05-05 2010-11-11 华为技术有限公司 利用汇聚载波通信的方法、接入网设备及终端
US8675565B2 (en) * 2009-05-14 2014-03-18 Lg Electronics Inc. Device and method for monitoring the control channel in a multicarrier system
US20110105119A1 (en) * 2009-11-02 2011-05-05 Infineon Technologies Ag Radio base stations, radio communication devices, methods for controlling a radio base station, and methods for controlling a radio communication device
MX2012008020A (es) 2010-01-08 2012-11-23 Fujitsu Ltd Metodo y aparato para realizar administración de portador en el sistema de adición de portador.
EP2343934A1 (en) * 2010-01-11 2011-07-13 Panasonic Corporation Transmit power control signaling for communication systems using carrier aggregation
AU2011204012A1 (en) * 2010-01-11 2012-08-16 Electronics And Telecommunications Research Institute Carrier aggregation in wireless communication system
CN102158979A (zh) * 2010-02-11 2011-08-17 华为技术有限公司 Pdcch信令发送和接收方法、基站、ue及系统
WO2011097815A1 (zh) 2010-02-11 2011-08-18 富士通株式会社 基于竞争的上行链路数据传输方法、设备和系统
CN102231915B (zh) * 2010-02-11 2013-08-28 华为技术有限公司 Pdcch信令发送和接收方法、基站、ue及系统
CN102202408B (zh) 2010-03-22 2014-01-01 华为技术有限公司 多子帧调度方法、系统和设备
JP5610861B2 (ja) * 2010-06-10 2014-10-22 シャープ株式会社 移動局装置、基地局装置、無線通信システム、無線通信方法および集積回路
CN102457910B (zh) * 2010-10-18 2014-11-05 中兴通讯股份有限公司 一种中继节点的公共搜索空间的映射方法及装置
CN102684855A (zh) 2011-03-11 2012-09-19 北京三星通信技术研究有限公司 一种混合自动重传定时关系的指示方法
WO2012134579A1 (en) * 2011-04-01 2012-10-04 Intel Corporation Enhanced node b and method for configuring an extension carrier
US9635648B2 (en) * 2011-05-03 2017-04-25 Lg Electronics Inc. Method for transmitting/receiving downlink control information in wireless communication system and device therefor
GB2486926B (en) * 2011-06-02 2013-10-23 Renesas Mobile Corp Frequency hopping in license-exempt/shared bands
CN103828396B (zh) * 2011-07-06 2018-09-25 诺基亚通信公司 基于dm rs的下行链路lte物理层
JP5838266B2 (ja) * 2011-08-12 2016-01-06 インターデイジタル パテント ホールディングス インコーポレイテッド 拡張キャリアおよびキャリアセグメントに対する参照信号構成
US9276721B2 (en) * 2011-08-15 2016-03-01 Lg Electronics Inc. Decoding data in group search space based on group control information
US9084238B2 (en) * 2011-09-12 2015-07-14 Blackberry Limited Searching space and operation for enhanced PDCCH in LTE systems
US20140369394A1 (en) 2011-09-21 2014-12-18 Nokia Corporation Beam-steering configurations and tests
CN102316595B (zh) * 2011-09-30 2017-04-12 中兴通讯股份有限公司 大带宽系统物理上行控制信道资源确定方法及装置
CN103828423B (zh) * 2011-09-30 2018-04-27 Sca艾普拉控股有限公司 移动通信系统，基础设施设备，基站和方法
CN103988559B (zh) * 2011-12-20 2018-02-23 英特尔公司 使用单播子帧的多播服务
WO2013104416A1 (en) * 2012-01-11 2013-07-18 Nokia Siemens Networks Oy Secondary cell preparation for inter- site carrier aggregation
US9215058B2 (en) * 2012-03-06 2015-12-15 Blackberry Limited Enhanced PHICH transmission for LTE-advanced
US9065545B2 (en) * 2012-03-12 2015-06-23 Blackberry Limited Handling scheduling request collisions with an ACK/NACK repetition signal
US9065600B2 (en) * 2012-03-14 2015-06-23 Nokia Technologies Oy Aggregation for a new carrier type
EP2829139A1 (en) * 2012-03-22 2015-01-28 Telefonaktiebolaget LM Ericsson (Publ) Dynamic configuration of subframes in a radio communications system
US8761109B2 (en) * 2012-08-03 2014-06-24 Motorola Mobility Llc Method and apparatus for receiving a control channel

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110170472A1 (en) 2008-09-29 2011-07-14 Electronics And Telecommunications Research Institute Method for allocating physical layer control information for mbms and method for receiving physical layer control information for mbms therefor
US20100136993A1 (en) 2008-11-28 2010-06-03 Huawei Technologies Co., Ltd. Method and apparatus for releasing reserved resources
CN101562845A (zh) 2008-11-28 2009-10-21 华为技术有限公司 预留资源释放方法、装置及基站设备
CN102640556A (zh) 2009-11-30 2012-08-15 夏普株式会社 移动站装置、基站装置以及处理方法
US20120281576A1 (en) 2009-11-30 2012-11-08 Sharp Kabushiki Kaisha Mobile station apparatus, base station apparatus and processing method
CN102668671A (zh) 2009-12-17 2012-09-12 松下电器产业株式会社 无线发送装置和控制信号发送方法
US20120236814A1 (en) 2009-12-17 2012-09-20 Panasonic Corporation Radio transmitting apparatus and control signal transmitting method
EP2713658A1 (en) 2011-05-19 2014-04-02 China Academy of Telecommunications Technology Method, system and thereof equipment for resource location indication and blind channel estimation
CN102202324A (zh) 2011-05-19 2011-09-28 电信科学技术研究院 资源位置指示及信道盲检的方法、系统和装置
US20130114521A1 (en) * 2011-11-04 2013-05-09 Telefonaktiebolaget L M Ericsson (Publ) Network node, user equipment and methods therein
US20130195067A1 (en) * 2012-01-27 2013-08-01 Sharp Laboratories Of America, Inc. Devices for signaling an enhanced physical control format indicator channel
US20130195068A1 (en) * 2012-01-30 2013-08-01 Alcatel-Lucent Usa Inc. Methods for transmitting and receiving control information
US20150043457A1 (en) * 2012-01-30 2015-02-12 Le Liu Radio communication system and communication control method
US20130242770A1 (en) * 2012-03-16 2013-09-19 Xiaogang Chen In enhanced physical downlink control channel (ePDCCH)
US20130242882A1 (en) * 2012-03-19 2013-09-19 Research In Motion Limited Enhanced Common Downlink Control Channels
US20140086285A1 (en) * 2012-09-27 2014-03-27 Nokia Siemens Networks Oy Non-codebook based channel state information feedback
US20150208200A1 (en) * 2012-09-28 2015-07-23 Huawei Technologies Co., Ltd. Method, device and communication system for processing common search area

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer procedures (Release 11)," 3GPP TS 36.213, V11.0.0, pp. 1-143, 3rd Generation Partnership Project, Valbonne, France (Sep. 2012).
"PRB indication to UE for ePDCCH transmission," 3GPP TSG RAN WG1 Meeting #70, Qingdao, China, R1-123252, 3rd Generation Partnership Project, Valbonne, France (Aug. 13-17, 2012).
"Requirements and signaling for configuration of UESSS and CSS on ePDCCH," 3GPP TSG RAN WG1 Meeting #68bis, Jeju, Korea, R1-121199, 3rd Generation Partnership Project, Valbonne, France (Mar. 26-30, 2012).

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11212799B2 (en) 2016-05-30 2021-12-28 Samsung Electronics Co., Ltd. System and method for common and UE-specific frequency resource scheduling
US11758528B2 (en) 2016-05-30 2023-09-12 Samsung Electronics Co., Ltd. System and method for common and UE-specific frequency resource scheduling
US11169849B2 (en) * 2019-06-20 2021-11-09 Bank Of America Corporation Intelligent resource initiation and deployment system

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US10142776B2 (en) 2018-11-27
CN103843431A (zh) 2014-06-04
CN110120863B (zh) 2020-06-16
US20150208200A1 (en) 2015-07-23
WO2014047906A1 (zh) 2014-04-03
EP2903369A1 (en) 2015-08-05
EP2903369B1 (en) 2019-09-04
EP3651401B1 (en) 2021-06-09
US20190174258A1 (en) 2019-06-06
US20180103345A1 (en) 2018-04-12
CN110120864A (zh) 2019-08-13
CN110120863A (zh) 2019-08-13

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